Sequence controller
US4390966A · kind A · utility
11Cited by
2References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 15, 1980 |
| Grant date | Jun 28, 1983 |
| Priority date | — |
| Expiry date | Jul 15, 2000 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG05B2219/25482
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A sequence controller for parallel and other operations by way of mutual interlocking with other controllers is disclosed having flags which may be set and reset not only by predetermined user instructions therein but also by user instructions in another equivalent controller connected thereto by a common bus, and controlling the flags so that the statuses of the flags may be evaluated in accordance with predetermined user instructions and utilized as operational conditions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.